<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
    <title>姓名案例-method语法实现</title>
</head>

<body>
    <div id="root">
        姓： <input type="text" name="xing" id="xing" v-model="firstname"> <br/> 名： <input type="text" name="ming" id="ming" v-model="lastname"> <br/> 全名：
        <span>{{fullname()}}</span>
    </div>
    <script>
        new Vue({
            el: "#root",
            data: {
                firstname: '张',
                lastname: '三'
            },
            methods: {
                fullname() {
                    return this.firstname + "-" + this.lastname;
                }
            },
        })
    </script>
</body>

</html>